SLI group

IPPV group

Test value

P-value

Sig.

OR

95% CI

No. = 65

No. = 50

LL

UL

Apgar score at 5 min

Mean ± SD

7.89 ± 0.92

7.62 ± 1.24

1.350

0.180

NS

0.788

0.556

1.117

Range

1 - 7

1 - 8

Heart rate at 5 min (beat/min(

Mean ± SD

134.22 ± 9.17

135.7 ± 14.52

−0.669^•

0.505

NS

1.011

0.979

1.044

Range

110 - 150

100 - 173

Oxygen saturation at 5 min (%)

Mean ± SD

92.2 ± 3.08

90.7 ± 6.8

1.581^•

0.117

NS

0.939

0.864

1.020

Range

85 - 97

60 - 98

ETI in delivery room

No

58 (89.2%)

44 (88.0%)

0.043*

0.835

NS

–

–

Yes

7 (10.8%)

6 (12.0%)

1.130

0.355

3.60

Surfactant administration in delivery room

No

65 (100.0%)

50 (100.0%)

NA

NA

–

–

–

–

Yes

0 (0%)

0 (0%)

–

–

–

Surfactant in NICU

No

59 (90.8%)

45 (90.0%)

0.019*

0.889

NS

–

–

Yes

6 (9.2%)

5 (10.0%)

1.093

0.314

3.808

Duration in hour of respiratory support

Median (IQR)

241 (96 - 528)

240 (72 - 408)

−0.615‡

0.538

NS

1.000

0.998

1.001

Range

1- 972 hour

1 - 1080 hour

Duration in day of respiratory support

Median (IQR)

11.50 (5 - 27.75)

11 (4 - 20)

−0.366^‡

0.715

NS

1.005

0.983

1.027

Range

1- 42 day

1 - 95 day

Chronic lung disease

No

61 (93.8%)

50 (100.0%)

3.188*

0.074

NS

–

–

–

Yes

4 (6.2%)

0 (0.0%)

–

–

–

Air leak in NICU

No

56 (86.2%)

46 (92.0%)

0.963*

0.326

NS

–

–

Yes

9 (13.8%)

4 (8.0%)

0.541

0.157

1.871

IVH with grade

No

63 (96.9%)

50 (100.0%)

1.566*

0.211

NS

–

–

–

Yes

2 (3.1%)

0 (0.0%)

–

–

Seziures clinical or monitor of EEG

No

65 (100.0%)

49 (98.0%)

1.311*

0.252

NS

–

–

–

Yes

0 (0.0%)

1 (2.0%)

–

–

–

Retinopathy

Not done

65 (100.0%)

48 (96.0%)

2.646*

0.104

NS

–

–

–

Yes

0 (0.0%)

2 (4.0%)

–

–

–

PDA

No

31 (47.7%)

27 (54.0%)

0.450*

0.502

NS

–

–

Yes

34 (52.3%)

23 (46.0%)

0.777

0.371

1.626